Wall-Mount Power Vector Amplifiers
WV100, WV150, & WV250 Models
Installation and Use Manual
© 2002 Bogen Communications, Inc.
All rights reserved.
Specifications subject to change without notice.
54-2086-01C 0407
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Contents
Page
PANEL DESCRIPTIONS..................................................................................................2-3
Wall-Mount PowerVector Front Panel ..........................................................................................2
Wall-Mount PowerVector Module Bay (Rear) ............................................................................3
Wall-Mount PowerVector Connector Board (Rear)..................................................................3
INSTALLATION ..................................................................................................................4
Package Contents................................................................................................................................4
Mounting................................................................................................................................................4
Front Panel Input Connector............................................................................................................4
MODULES ............................................................................................................................5
Module Installation..............................................................................................................................5
Output Modules ..................................................................................................................................5
Functionality....................................................................................................................................5
Input Modules ......................................................................................................................................5
Functionality....................................................................................................................................5
Priorities ..........................................................................................................................................5
CONNECTIONS ..............................................................................................................6-8
Speakers ................................................................................................................................................6
Transformer-Coupled Speaker Connections ................................................................................6
4-Ohm Low-Impedance Speaker Connections............................................................................6
COM and GNDTerminals ............................................................................................................7
RemoteVolume Control....................................................................................................................7
Mute Control........................................................................................................................................7
Bridging Mix Bus ..................................................................................................................................7
System Expansion of PowerVector Amplifiers ............................................................................8
OPERATION ..................................................................................................................9-10
Front Panel Controls & Indicators ..................................................................................................9
InputVolume Controls....................................................................................................................9
Signal / Clip Indicator ....................................................................................................................9
Base andTreble Controls ..............................................................................................................9
MasterVolume Control ..................................................................................................................9
Average / Peak Switch & LED Output Meter ............................................................................9
Power Switch / Power Indicator....................................................................................................9
Output Limiter..............................................................................................................................10
Rear Panel Controls ........................................................................................................................10
Trans Output / Direct Out Selector Switch ..............................................................................10
Other Controls ................................................................................................................................10
Tone Control Bypass Switch........................................................................................................10
Low-Cut Switch ............................................................................................................................10
BLOCK DIAGRAM ............................................................................................................11
SPECIFICATIONS ............................................................................................................12
TROUBLESHOOTING ....................................................................................................13
WARRANTY ......................................................................................................Back Cover
ACCESSORIES/COMPONENTS ....................................................................Back Cover
1
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Panel Descriptions
Wall-Mount Power Vector Front Panel
PUSH
2
1
3
1. InputVolume Control
Each of the 8 module bays are controlled by an independent volume control.
2. Signal / Clip Indicator
A single two-color LED located above each channel’s volume control indicates the audio activity of that chan-
nel’s input. Green indicates signal active at the input; red indicates clipping of the input signal.
3. Panel Input Connector
A combination XLR female and 1/4" stereo phone jack connector provides a panel-mounted input.Parts includ-
ed, but comes uninstalled.
4. Output Limiter Control with Indicator
Control determines maximum amp output level before limiting takes place. Indicator illuminates when limiting
takes place.
5.Average / Peak Switch
This switch determines whether the LED Output Meter registers the average or peak level of the amplifier’s
output.
6. LED Output Level Meter
An 11-segment LED output level meter monitors the output level of the power amplifier.
7.Tape Out
RCA unbalanced signal level output post bass, treble, and master controls.
8. Bass Control
Controls the amount of cut or boost of bass frequencies below 100 Hz.
9.Treble Control
Controls the amount of cut or boost of treble frequencies above 10 kHz.
10. MasterVolume Control
Controls overall level of mixed input signals.
11. Power Switch
Controls AC power to the amplifier. Illuminates when ON.
2
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Panel Descriptions
Wall-Mount Power Vector Module Bay (Rear)
1. Module Bays
The amplifier has eight module bays, all of which can accommodate input modules, with two bays (bays 7
and 8) that can accommodate either input or output modules.
2. Lo-Cut Switch
Slide switch (located in module bay 6) allows roll off of frequencies below 125 Hz.
3.Tone Control Bypass Switch
Slide switch (located in module bay 6) allows the effects of the Bass and Treble controls to be bypassed.
Wall-Mount Power Vector Connector Board (Rear)
1.Trans Output / Direct Out Selector
Allows selection of either“TRANS” for transformer-coupled outputs (70V, 25V, and 8-ohm), or“DIR” for direct
low-impedance (4-ohm minimum) output.
2. Speaker Output Barrier Strip
A terminal barrier strip, with clamping washers, provides connections for speaker loads.
3. Mute ControlTerminals
Provides access to mute buses for external control and system expansion.
4. Bridging Mix Bus
An RCA connector that allows the bridging of PowerVectors together for system expansion.
5. RemoteVolume ControlTerminals
Provides for connection of an RVCP remote volume control panel to control the amplifier’s motorized Master
Volume Control.
3
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Installation
Package Contents
• Amplifier
• 2 Cables
• Instruction Manual
• 2 Screws (M 3 x 8)
• Combined XLR receptacle and phone jack
• 6 Screws (M 4 x 8)
Mounting
A surface-mount (model BBS) or flush-mount (model BBF shown below) back box as well as aWMAD door is
required for installation. Refer to the instructions provided with these items for proper installation.
(See Components on Back Cover.)
Front Panel Input Connector
If desired, a front panel mounted combination female XLR and 1/4" stereo
phone jack can be installed.A white screened area is provided on the front
of the amplifier, below the connector, to identify the connectors purpose
and associated input number. Remove the filler cap in the upper left-hand
corner of the front panel and install the combination jack as shown in the
figures below. Either or both of the connector styles on the jack can be
wired to any user supplied module with included cables.The labeling below
the two cable connectors on the PCB identifies corresponding connectors
on the combo jack.
PHONE
T
G
R
WHT BLK RED
+
G
XLR WHT BLK RED
Connection Identifiers
4
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Modules
Module Installation
Eight module bays are available to accept Bogen’s new advanced plug-in input modules. Module bays 7 & 8 can
also accommodate Bogen’s new advanced plug-in output modules, thereby allowing users to customize the
amplifier to suit the needs of the installation.
(Note:The bays will not accept Bogen’s older style D-Series plug-in modules.)
Before installing a module, read the instructions included with the module and make the desired jumper setting
changes.
The modules are installed by simply sliding them along the card guides inside the module bays until the
faceplate firmly sits against the chassis, then use the two screws supplied with the module to secure it to the
chassis.
•
Modules should slide in easily.
•
Output modules can only be installed in bays 7 & 8. (Output modules will not
- CAUTION -
fit in bays 1-6.)
DO NOT FORCE MODULES
•
•
•
Output modules have 8 contacts on each side of connector.
Input modules have 6 contacts on each side of connector.
Older style Bogen (D-Series) input modules (4-1/2" in length) are not usable
in any PowerVector amp.
Output Modules
Functionality
The Wall-Mount Power Vector series of amplifiers accepts Bogen plug-in output modules, which offer a cost
effective and convenient way to add specific signal processing capability into a system.When an output module
is installed, the mix bus signal is automatically rerouted through the output module, whose capabilities further
process the signal before it enters the power amplifier section.
Up to 2 output modules can be installed in a Power Vector amplifier using module bays 7 & 8 (or these bays
can accept input modules). When two output modules are installed, their signal processing effects are cascad-
ed.The mix bus signal will first pass through the output module in module bay 7 and then through the output
module in bay 8. In some instances, the order in which the signal processing is applied is important and can be
achieved by the module installation order.
Output modules automatically insert themselves into the signal path between the mix bus and power amp
stage, so no further connections are required beyond simply inserting the modules. Most Bogen output mod-
ules include an unbalanced, Hi-Z input.This input feeds directly to the amplifier’s mix bus through the front level
control for the particular module bay and is not processed by the output module directly.The input is includ-
ed so that the additional input function of the module bay is not forfeited when an output module is installed.
Input Modules
Functionality
The Wall-Mount PowerVector series of amplifiers accepts Bogen’s new advanced plug-in input modules, which
provide a wide range of input types allowing the amplifier inputs to be custom configured in both type and num-
ber for a particular application. Input modules can be installed in any of the 8 module bays and do not have to
be installed in any particular bay order.The front panel volume control for that number bay will control the mix
level of that input module. In addition to a host of module specific features, each input module has a priority
jumper section for creating a priority hierarchy between different inputs installed in the amplifier.
Priorities
The Wall-Mount Power Vector series of amplifiers allows inputs to be prioritized at four different levels.The
Bogen input modules contain circuitry that can cause their outputs to be muted in response to higher priori-
ty control signals from other input modules. Each input module also contains circuitry that sends a mute con-
trol signal out to other modules when it becomes active (all input modules become “active” when they receive
an audio input).Active modules may be prevented from sending their audio onto the mix bus by a higher pri-
ority module that is also active.
Input priorities are set through a simple jumper field on the module. It is also possible not to assign a priority
level to an input module. By doing so, that module will never be muted by another input module in the ampli-
fier.The unassigned inputs will, however, be muted by the amplifier’s Master Mute input.
5
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Connections
Speakers
Transformer-Coupled Speaker Connections
Transformer-coupled, constant voltage speaker loads are connected to their respective load type (i.e., 70V
speakers to the 70V terminal, 25V speaker systems to the 25V terminals) and the COM terminal. Make sure
the selector switch is in the TRANS position. A separate 8-ohm terminal is provided to drive 8-ohm
(low-impedance) speakers through an output transformer tap.
The speaker terminals can accept up to a #10 spade lug and have integral clamping plates that make wiring
easier.
4-Ohm Low-Impedance Speaker Connections
A low-impedance (4Ω) speaker load can be driven directly without transformer coupling by connecting the load
to the 4Ω terminal and the GND terminal. Make sure the selector switch is in the DIR position.
Bypassing the output transformer and driving the speaker load directly provides the advantage of better bass
response.To maximize the power delivered to the speakers, their combined load impedance should be 4 ohms.
Connecting higher load impedances is electrically acceptable,but the mismatch in load impedance will cause the
speaker load to only receive a portion of the power that the amplifier is capable of delivering. It is not
acceptable to connect low-impedance speakers to the 70V and 25V outputs.
Typical connections to a 70V
transformer-coupled speaker
Typical connections to a low-impedance
(non-transformer-coupled) speaker load
Note jumper link shorting the
GND to the COM terminal.
Note switch is
set to DIR
Note switch is
set to TRANS
Note jumper link shorting the
GND to the COM terminal.
6
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Connections
COM and GNDTerminals
A shorting jumper typically connects the COM and GND terminals of the
amplifier together. The COM terminal is a common lead from the output
transformer. For the transformer-coupled speaker output to work, one of the
speaker load leads must be connected to this terminal.The GND terminal is
a connection to the system’s electrical ground and used when driving loads in
the Direct Out mode.
Connecting the GND to the COM terminal when using the transformer-cou-
pled outputs references the transformer output to ground. Disconnecting the
GND terminal from COM allows the transformer output to float electrically.
This is sometimes useful under certain conditions where a ground connection
is undesirable. It is generally a good idea, however, to short the GND to the
COM terminal regardless of output type (Trans or Direct).
Remote Volume Control
These terminals are provided for remote control of the MasterVolume con-
trol.This control is motorized, allowing full control over the setting of the
master volume. The Bogen Remote Volume Control Panel (model RVCP)
provides a simple and elegant means of remote control. Shorting the UP ter-
minal with the C terminal will rotate the Master Volume control in a clock-
wise direction, increasing the volume level. Shorting the DN terminal to the
C terminal will cause the Master Volume control to rotate in a counter-
clockwise direction and decrease the level of the MasterVolume control.The
impedance of the shorting connections must be less than 100 ohms in order
to operate the control.
Mute Control
Each priority bus (High, Medium, and Low) can be externally activated.This
allows priority buses of two or more Wall-Mount Power Vector units to be
linked together for system expansion purposes. A particular mute
priority can be externally forced by shorting that priority’s bus terminal to
the C terminal of the Mute Control (the C terminal is the system ground).
Forcing the H priority bus this way will mute all modules except for modules
set for priority level 1 (highest priority). Forcing the M priority bus will mute
modules set for priority levels 3 or 4, but not levels 1 or 2, and forcing the
L priority bus will only mute modules set at priority level 4. See System
Expansion of PowerVector Amplifiers section and illustration on page 8.
Bridging Mix Bus
This connector makes theWall-Mount PowerVector’s mix bus available exter-
nally and allows the connecting of Power Vector units for system expansion
and simple room combining.
This function is bi-directional. Any signal received will be amplified and any
signal sent can be used by another PowerVector amp.The signal levels at the
bridging jack will drop by one-half with two PowerVectors tied together and
by two-thirds with three units tied together. Because of the attenuation of the
bridging signal, due to the signal loading of other Power Vectors, it is not
recommended that more than three units be connected together. See Mute
Control section and the illustration on the next page for additional information.
7
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Connections
System Expansion of Power Vector Amplifiers
Using the bridging RCA connector, it is possible to connect two or more PowerVector amplifiers. It is not rec-
ommended that more than three amplifiers be bridged together due to bridging loss. When
connecting mute control functions, make certain that the wiring is consistent (H to H, M to M, and so forth).
See illustration below.
Note: When connecting mute control functions
between amplifiers, make certain that the wiring is
consistent (H to H, M to M, and so forth).
8
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Operation
Front Panel Controls & Indicators
InputVolume Controls
Each input module may be individually controlled by its corresponding volume
control knob.
Signal / Clip Indicator
A single LED located above each channel’s volume control indicates the audio
activity of that channel’s input. Green indicates signal is being applied to the
mix bus.Red indicates that the input signal coming from the input module into
the amp is clipping and distorted.This is caused by either an input signal that
is too high or an input module volume control (gain) that is set too high.
Bass andTreble Controls
The treble control has a cut/boost range of +/- 10 dB at frequencies above 10
kHz and provides a roll off after 20 kHz to reduce gain above the audio range.
The bass control has a cut/boost range of +/- 10 dB at frequencies below 100
Hz.When driving speakers using the direct-coupled output terminals, the bass
filter’s response is constant to 20 Hz.When driving speakers using the trans-
former-coupled output terminals, the amplifier automatically changes the bass
filter’s response to a bandpass shape to reduce the level of bass frequencies
below 40 Hz.This filter shape helps to avoid overdriving the speaker’s coupling
transformer with low frequency signals that may cause noticeable distortion
due to magnetic saturation of the transformer’s core.
MasterVolume Control
The overall volume level of the amplifier is set by a Master Volume control.
The Master Volume control is motorized and can be controlled by manually
adjusting the knob or by a remotely-mounted control station. Connections
and requirements for the remote control station (optional accessory) are
described in the Connections section, under RemoteVolume Control.
Average / Peak Switch & LED Output Meter
The LED Output Meter is an 11-segment meter that registers either the
average or the peak level of the amplifier’s output signal. A red indicator is
provided at the +3 dB level to indicate amplifier clipping.Amber indictors at
the 0 dB and -3 dB levels indicate high amplifier output levels.The remaining
8 indicators (green) provide an indication of the output signal’s dynamics.The
meter can be set to read either the average output signal level or the peak
output signal levels by using the Average / Peak Switch to the left of the meter.
In is average; out is peak.
Power Switch / Power Indicator
The AC power to the amplifier is controlled by the Power rocker switch,
which illuminates when power is applied.
9
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Operation
Output Limiter
The Output Limiter control sets the threshold at which the unit hard
limits the output signal. Once the Limiter's threshold is exceeded, the
output signal is prevented from increasing any further.With the control
set to the Min position (fully counterclockwise), the Limiter will pro-
vide almost no limiting and is essentially turned off. It will only engage
when very large output levels are produced. As the control is turned
clockwise, more limiter function will be allowed and the output level
necessary to engage the Limiter decreases.
Typically,the Limiter is set to prevent clipping caused by overdriving the
amplifier beyond its maximum output level.This setting is established by
using both the Output Level Meter and the Limiter LED.
First, adjust the amplifier’s output level until the Output Level Meter
registers in the amber region.Then, adjust the Output Limiter control
until the Limiter LED illuminates intermittently. The LED associated
with the Limiter illuminates when the Limiter is engaged. If the output
level of the amplifier exceeds this point, then the Limiter will engage,
thereby keeping the Output Level Meter in the amber region. The
Limiter can also be set to restrict the amplifier's output level to a
desired level below the amplifier's maximum level to provide a means
of limiting the system's volume level. In this case, the amplifier is driven
to the desired output level and then the Limiter control is adjusted so
that it begins to engage. In general, input and master controls should be
set so that the Limiter engages as little as possible.
Rear Panel Controls
Trans Output / Direct Out Selector Switch
A large slide switch next to the amplifier’s output barrier strip deter-
mines transformer-coupled or direct output operation.The setting of
this switch controls which amplifier output terminals are active and
what type of filter shape will be used for the bass control. See the
Connections section for more information about the load selector
switch.
Other Controls (Located In Module Bay 6)
Tone Control Bypass Switch
A slide switch that can bypass the effects of the Bass
and Treble controls is located on the back plane of
module bay 6. It is sometimes desirable to bypass
the tone controls when other forms of system
equalization are used.A screwdriver can be used to
set the switch. The switch must be set before a
module is installed in this bay.
Lo-Cut Switch
The Power Vector Amplifier provides a lo-cut filter
that rolls off frequencies below 125 Hz. The slide
switch for this function is located on the back plane
of module bay 6. A screwdriver can be used to set
the switch.The switch must be set before a module
is installed in this bay.
10
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Block Diagram
11
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Specifications
Power Output (RMS):
WV100: 100W (140W Typical, @1 kHz/0.1%/4Ω)
WV150: 150W (200W Typical, @1 kHz/0.1%/4Ω)
WV250: 250W (340W Typical, @1 kHz/0.1%/4Ω)
Frequency Response
Transformer:
45-20 kHz; 0/-2 dB @ FRP
Direct:
20-20 kHz; 0/-1 dB @ FRP
Distortion
Transformer:
Direct:
0.5% THD+N, Maximum, Full-rated bandwidth @ FRP
0.1% THD+N, Maximum, Full-rated bandwidth @ FRP
Signal-to-Noise
Fundamental:
With Aux Module:
With Mic Module:
With Tel Module:
-94 dB*
-70 dB*
-60 dB*
-70 dB*
Tone Controls
Bass Frequency:
Treble Frequency:
Low Cut Frequency:
100 Hz (+/- 10 dB minimum)
10 kHz (+/- 10 dB minimum)
125 Hz @ -6 dB/octave
Sensitivity:
0.4V (at backplane connector)
Output Regulation:
2 dB or better no load to full load
Output Impedance
Transformer-Coupled:
Direct Coupled:
70V, 25V, 8 ohms; balanced or unbalanced
4 ohms unbalanced
Tape Out
Output Level:
4VRMS @ FRP
Output Impedance:
50 ohms maximum
Protection:
Line Fusing:
Thermal, short-circuit, and overload (auto reset)
Resettable circuit breaker
Cooling:
Thermally controlled 3-speed fan
Power Consumption:
WV100:
WV150:
WV250:
2.0A @ 120V AC, 60 Hz
3.5A @ 120V AC, 60 Hz
5.5A @ 120V AC, 60 Hz
Dimensions:
WV (all models):
BBF:
BBS:
14-1/8" W x 21" H
14-1/2" W x 24-3/4" H x 3-7/8" D
16-1/4" W x 26-3/4" H x 3-7/8" D
16-1/4" W x 26-3/4" H x 1" D
WMAD:
Product Weight:
WV100:
WV150:
WV250:
BBF:
BBS:
WMAD:
27 lb.
29 lb.
28 lb.
14 lb.
18 lb.
11 lb.
* Referenced to full-rated power (FRP) output level, 20-20 kHz bandwidth limited.
All specifications subject to change without notice.
12
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Troubleshooting
PROBLEM
CONDITION
CAUSE
• Amplifier not plugged in.
• AC outlet dead.
• Power switch off.
• Circuit breaker tripped.
Power Indicator LED is off.
Power Indicator LED is red.
Input Signal / Clip LED is off.
• No signal from source.
• Module not installed correctly.
NO SOUND
Power Indicator LED is red.
Input Signal / Clip LED is green.
LED Output Meter is off.
• Master or input channel volume control turned down.
• Rear panel master mute terminal shorted.
• Speaker connections on amplifier are incorrect.
• Trans / Direct Out selector not set correctly.
• Poor / broken speaker wiring.
Power Indicator LED is red.
Input Signal / Clip LED is green.
LED Output Meter is operating.
• Defective speakers.
Power Indicator LED is red.
Input Signal / Clip LED is green.
Volume Controls are turned up and
shows little activity.
• Partial short on the output.
Unit is extremely hot.
• Signal from source is already distorted.
• Poor speaker connections.
• Trans-Out load on wrong tap.
• Bass control boosted too much.
Power Indicator LED is red.
Input Signal / Clip LED is green.
LED Output Meter is not in red.
DISTORTED
SOUND
• Input signal level to module too high (should cause red
clip LED).
• Input module gain too high (if available).
• Input module being overdriven by a high input signal.
Power Indicator LED is red.
Input Signal / Clip LED is red.
LED Output Meter is not in red.
Power Indicator LED is red.
Input Signal / Clip LED is green.
LED Output Meter in red.
• Input volume controls set too high.
• Input master volume control set too high.
• Lo-cut switch is set to ON.
• Speakers wired out of phase.
• Check module bass control setting (if available).
• Check bass control setting
• Note: Transformer-coupled speakers have less bass
response.
POOR
Power Indicator LED is red.
Input / Signal Clip LED is green.
LED Output Meter not in red.
LOW FREQ.
RESPONSE
(NO BASS)
• Poor electrical connections at input.
• Input cable routed near AC cables, power transformer, or
other EMI radiating devices.
Power Indicator LED is red.
Volume controls are in normal,
operational position.
• Electrically noisy devices operating on the same AC
circuit.
• Poor equipment grounding.
NOISE/HUM
- Ensure that all AC safety grounds are connected.
- Make sure that all components in audio chain are tied to
the same ground.
13
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Warranty
Bogen Wall-Mount Power Vector Amplifiers, modules, and components are warranted to be free from defects in material or work-
manship provided that the product has not been subjected to abuse or accident or altered in any way for three (3) years from the
date of sale to the original purchaser with the exception of the remote volume control panel (RVCP), which is warranted for one
(1) year.Any part of the product covered by this warranty that, with normal installation and use, becomes defective will be repaired
or replaced by Bogen, at our option, provided the product is shipped insured and prepaid to: Bogen Factory Service Department,
50 Spring Street, Ramsey, NJ 07446, USA.The product will be returned to you freight prepaid.This warranty does not extend to any
of our products that have been subjected to misuse, improper storage, neglect, accident, improper installation or have been modi-
fied or repaired in any manner that Bogen believes may affect the reliability of the product, or where the serial number or date code
has been removed or defaced.
THE FOREGOING LIMITED WARRANTY IS BOGEN’S SOLE AND EXCLUSIVE WARRANTY AND THE PUR-
CHASER’S SOLE AND EXCLUSIVE REMEDY. BOGEN MAKES NO OTHER WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED,AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR
A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED AND EXCLUDED. Bogen's liability arising out of the manufac-
ture, sale or supplying of products or their use or disposition, whether based upon warranty, contract, tort or otherwise, shall be
limited to the price of the product. In no event shall Bogen be liable for special, incidental or consequential damages (including, but
not limited to, loss of profits, loss of data or loss of use damages) arising out of the manufacture, sale or supplying of products, even
if Bogen has been advised of the possibility of such damages or losses.
Products that are out of warranty will also be repaired by the Bogen Factory Service Department -- same address as above or call
201-934-8500. The parts and labor involved in these repairs are warranted for 90 days when repaired by the Bogen Factory Service
Department. All shipping charges in addition to parts and labor charges will be at the owner's expense.
Accessories/Components
Mounting Components
1. One of the following two back boxes are required for assembly.
BBF - Flush-Mount Back Box
•
Mounting kit for installing amplifier flush to a wall
BBS - Surface-Mount Back Box
•
Mounting kit for installing amplifier to the surface of a wall
2.The WMAD is required for assembly.
WMAD
BBF
BBS
WMAD - Front Cover / Door
•
•
Prevents tampering with system settings
Simple installation
Accessories
The following item is an optional accessory.
RVCP - RemoteVolume Control Panel
•
Push-button operation of motorized master volume
control
•
•
Fits in standard single gang electrical box
Decora style cover plate
RVCP
50 Spring Street, Ramsey, NJ 07446, U.S.A.
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